下列不属于模式识别受体的是( ) A．甘露糖受体 B．IgG Fc受体 C．清道

Sam is the sole selling agent for Toyota motor cars in Lesotho. He runs his business under the name of Sam Toyota (Pvt) Ltd (Sam Toyota). On 4 October 2009, Sam placed a large label on the windscreen of one Toyota Corolla indicating its sale price to be R11,000 by mistake, when its real price was R110,000.Thabo noticed the sign on 5 October and recognising what a bargain it was immediately told Sam that he accepted the offer and would take the Toyota for R11,000 then and there. However, Sam refused to sell the car to Thabo saying the labelled price was a mistake and the correct price was R110,000. Thabo told Sam that he could not do this and that he was entitled to buy the car for R11,000 and he would sue him if he still refused. After Thabo left, Sam changed the price on the car to R110,000.A bit later, Edward came to the showroom. He liked the car and was willing to pay R110,000 but told Sam he needed a week’s time to arrange bank finance.On 6 October, David came to the showroom. He liked the car and paid with a bank guaranteed cheque for R110,000, and drove the car away.Required:Analyse the scenario from the perspective of the law of contract, and

(b) Advise Edward. (5 marks)

甲公司因购买乙工厂生产的瓷砖，欠乙工厂货款10万元，甲公司请求乙工厂再供给一批瓷砖，交货后一周内所有贷款一次付清，乙工厂表示同意。次日，甲公司派两辆卡车到乙工厂拉货，乙工厂将两辆卡车扣留，要求甲公司立即支付所欠货款，否则将变卖卡车以所得资金抵偿货款。乙工厂行为的性质应如何认定

A．乙工厂的行为是合法地行使留置权的行为

B．乙工厂的行为是自助行为，在甲公司支付货款前，乙工厂有权占有卡车，但无权变卖

C．乙工厂的行为是违约行为，应返还卡车并承担违约责任

D．乙工厂的行为是侵犯甲公司所有权的行为，应返还卡车并承担侵权责任

当前的网络地理信息服务方式中，______是各类服务的开放访问接口，面向各类应用开发人员。

A．在线地理信息服务系统
B．运行支持系统
C．门户网站
D．服务接口

下列( )须经工程师确认，方能作为索赔的依据。

A．投标、中标文件

B．鉴定意见

C．工程进度表

D．工程量清单

曾称自己为“从摇篮到坟墓”的国家是( )

A．瑞士

B．瑞典

C．丹麦

D．英国